<?php
/**
* The MIT License
* Copyright (c) 2006 Johan Nilsson http://johan.galaxen.net/ http://markupartist.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy 
* of this software and associated documentation files (the "Software"), to deal 
* in the Software without restriction, including without limitation the rights 
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
* copies of the Software, and to permit persons to whom the Software is 
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all 
* copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
* SOFTWARE.
*/

require_once 'Base/Iterator.php';

/**
 * Iterator for Base_List that implements the SPL interface Iterator and 
 * extends from Base_Iterator.
 * 
 * This class is not ment to be called directly, instead it is ment to be
 * recived from the Base_List throw the method getIterator.
 * 
 * @author Johan Nilsson
 */
class Base_List_Iterator extends Base_Iterator
{
	/**
	 * Constructor
	 *
	 * @param Base_List $list
	 */
	public function __construct(Base_List $list)
	{
		$this->_list = $list;
		$this->_keys = $list->keys();
	}

	/**
	 * Returns the current item.
	 *
	 * @return mixed
	 */
	public function current()
	{	
		return $this->_list->get($this->_keys[$this->_pointer]);
	}
}